Releasably bound hydroxycarboxylic acids

Details Releasably bound hydroxycarboxylic acids Releasably bound hydroxycarboxylic acids

1994-01-11

1994-12-06

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562582, 562587, C07L 5908

Patent

active

053712870

ABSTRACT:
This invention relates to a composition which has an alkali(ne earth) metal hydroxycarboxylate and an aliphatic carboxylic acid which has a lower pKa than that of the hydroxycarboxylic acid. The hydroxycarboxylate salt, when used e.g. in an aqueous medium which allows dissociation of the salt and the aliphatic carboxylic acid into anions and cations, dissociates into the metal ions and hydroxycarboxylate ions, and the acid into the corresponding carboxylate ions and hydrogen ions. The relative pKa values of the two acids ensure that the aliphatic acid forms the alkali(ne earth metal salt thereby liberating the free hydroxycarboxylic acid in situ. This method masks the unpleasant odors of acids for ensiling etc without causing distress to operatives during storage and use.

REFERENCES:
patent: 2557283 (1951-06-01), Hansen
patent: 3060096 (1962-10-01), Wei
patent: 4282385 (1981-04-01), Metz

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